Argyrios Kyrtzidis 10dedb9421 In MemoryBuffer::getOpenFile() don't verify that the mmap'ed ...

file buffer is null-terminated.

If the file is smaller than we thought, mmap will not allow dereferencing
past the pages that are enough to cover the actual file size,
even though we asked for a larger address range.

rdar://11612916

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160075 91177308-0d34-0410-b5e6-96231b3b80d8

2012-07-11 20:59:20 +00:00

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